1 March 2002 Coupling coefficient evaluation of a fiber directional coupler using an all-fiber Sagnac interferometer
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Optical Engineering, 41(3), (2002). doi:10.1117/1.1450127
Abstract
An all-fiber Sagnac interferometer using a bire- fringent fiber loop is used to determine the coupling coefficients of a fiber directional coupler. These coefficients are estimated by identifying the minimum value of the normalized transmittance of the filtered spectrum through the allfiber Sagnac interferometer with respect of a simple appropriate model.
Hector H. Cerecedo-Nunez, Carlos G. Trevino-Palacios, Evgueni Anatolevich Kuzin, "Coupling coefficient evaluation of a fiber directional coupler using an all-fiber Sagnac interferometer," Optical Engineering 41(3), (1 March 2002). http://dx.doi.org/10.1117/1.1450127
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KEYWORDS
Directional couplers

Sagnac interferometers

Transmittance

Fiber couplers

Birefringence

Instrument modeling

Interferometers

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